RAM 2500 2022 — technical service bulletin
Bulletin S2218000010 · NHTSA communication 10221398 · issued Jun 2, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
4
vehicle entries
Official summary
Malfunction Indicator Lamp (MIL) Illumination, Diagnostic Trouble Code (DTC) P026B ? Injection Timing Performance, Set.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.